Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9570856 | Communication module and communication module connector | Masataka Sato, Yoshinori Sunaga, Kinya Yamazaki, Yoshiaki Ishigami | 2017-02-14 |
| 8395906 | High-speed transmission circuit board connection structure | Masayuki Nikaido, Yoshiaki Ishigami, Kenichi Tamura | 2013-03-12 |
| 4744193 | Method of sealing water leakage in concrete structures | Toshio Hatsuzaki, Yoshihiko Ogawa, Toshio Hiramatsu, Hideo Senga | 1988-05-17 |
| 4449856 | Grout injection method and apparatus | Shoichi Kashima, Mineo Murata | 1984-05-22 |